Cited by 398Single-cell and spatial transcriptomicsGenomics and Chromatin DynamicsGene Regulatory Network Analysis

A transcriptomic and epigenomic cell atlas of the mouse primary motor cortex

Open access
Yao, Zizhen, Liu, Hanqing, Xie, Fangming, Fischer, Stephan, Adkins, Ricky S., Aldridge, Andrew I., Ament, Seth A., Bartlett, Anna +75 more·2021·Nature

Published version of a preprint

Abstract

Single-cell transcriptomics can provide quantitative molecular signatures for large, unbiased samples of the diverse cell types in the brain 1–3 . With the proliferation of multi-omics datasets, a major challenge is to validate and integrate results into a biological understanding of cell-type organization. Here we generated transcriptomes and epigenomes from more than 500,000 individual cells in the mouse primary motor cortex, a structure that has an evolutionarily conserved role in locomotion. We developed computational and statistical methods to integrate multimodal data and quantitatively validate cell-type reproducibility. The resulting reference atlas—containing over 56 neuronal cell types that are highly replicable across analysis methods, sequencing technologies and modalities—is a comprehensive molecular and genomic account of the diverse neuronal and non-neuronal cell types in the mouse primary motor cortex. The atlas includes a population of excitatory neurons that resemble pyramidal cells in layer 4 in other cortical regions 4 . We further discovered thousands of concordant marker genes and gene regulatory elements for these cell types. Our results highlight the complex molecular regulation of cell types in the brain and will directly enable the design of reagents to target specific cell types in the mouse primary motor cortex for functional analysis.

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  • The NP-CT-L6b-like subclasses emerge as a group highly distinct from the IT-ET-like subclasses, forming two distinct classes, IT-ET Glut and NP-CT-L6b Glut.

    “We also observed that the NP–CT–L6b-like (NP, near-projecting; CT, corticothalamic; L6b, layer 6b) subclasses emerge as a group highly distinct from the IT–ET-like (IT, intratelencephalic; ET, extratelencephalic) subclasses13,23,26,27, forming two distinct classes, IT–ET Glut and NP–CT–L6b Glut.”
  • Reference mapping to the reference snRNA-seq dataset using Azimuth validated the cell clustering results.

    “To validate the cell clustering results, we performed reference mapping to the reference snRNA-seq dataset60 using the Azimuth software61 (Extended Data Fig. 5b, c).”
  • To validate the annotation results, reference-mapping of Paired-Damage-seq RNA profile to a published snRNA-seq dataset was performed.

    “To validate the annotation results, reference-mapping61 of Paired-Damage-seq RNA profile to published snRNA-seq dataset60 was performed.”
  • The study used Patch-seq to describe the morpho-electric phenotypes for most of the t-types in MOp.

    “We used the Patch-seq technique8,17–19 to describe the morpho-electric phenotypes for most of the t-types in MOp20.”

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Research works printed but not linked: 2

  1. [13]Waddington, C. H. The Strategy of the Genes (Routledge, 1957).
  2. [19]Brodmann, K. Brodmann’s: Localisation in the Cerebral Cortex (Springer Science & Business Media, 2007).

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Authors
Yao, Z., Liu, H., Xie, F., Fischer, S., Adkins, R. S., Aldridge, A. I., Ament, S. A., Bartlett, A., Behrens, M. M., Van den Berge, K., Bertagnolli, D., de Bézieux, H. R., Biancalani, T., Booeshaghi, A. S., Bravo, H. C., Casper, T., Colantuoni, C., Crabtree, J., Creasy, H., Crichton, K., Crow, M., Dee, N., Dougherty, E. L., Doyle, W. I., Dudoit, S., Fang, R., Felix, V., Fong, O., Giglio, M., Goldy, J., Hawrylycz, M., Herb, B. R., Hertzano, R., Hou, X., Hu, Q., Kancherla, J., Kroll, M., Lathia, K., Li, Y. E., Lucero, J. D., Luo, C., Mahurkar, A., McMillen, D., Nadaf, N. M., Nery, J. R., Nguyen, T. N., Niu, S.-Y., Ntranos, V., Orvis, J., Osteen, J. K., Pham, T., Pinto-Duarte, A., Poirion, O., Preissl, S., Purdom, E., Rimorin, C., Risso, D., Rivkin, A. C., Smith, K., Street, K., Sulc, J., Svensson, V., Tieu, M., Torkelson, A., Tung, H., Vaishnav, E. D., Vanderburg, C. R., van Velthoven, C., Wang, X., White, O. R., Huang, Z. J., Kharchenko, P. V., Pachter, L., Ngai, J., Regev, A., Tasic, B., Welch, J. D., Gillis, J., Macosko, E. Z., Ren, B., Ecker, J. R., Zeng, H., & Mukamel, E. A.
Affiliations
  • Allen Institute for Brain Science (US)
  • Salk Institute for Biological Studies (US)
  • University of California San Diego (US)
  • Cold Spring Harbor Laboratory (US)
  • University of Maryland, Baltimore (US)
  • Broad Institute (US)
  • California Institute of Technology (US)
  • University of Maryland, College Park (US)
  • University of California, Berkeley (US)
  • Harvard University (US)
  • Ludwig Cancer Research (US)
  • University of California, San Francisco (US)
  • University of Padua (IT)
  • Dana-Farber Cancer Institute (US)
  • Washington University in St. Louis (US)
  • University of Michigan (US)
Corresponding author
  • Zeng, Hongkui
  • Mukamel, Eran A.
Venue
Nature
Published
2021-10-06
Volume
598
Issue
7879
Pages
103-110
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W3202498768
Cited by
398
References
76
Citations by year
2026: 75 · 2025: 79 · 2024: 70 · 2023: 69 · 2022: 54 · 2021: 38 · 2020: 13
FWCI
19.05
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (acceptedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion, cc-by-nc-nd)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Ghent University Academic Bibliography (Ghent University) (submittedVersion, cc-by)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • eScholarship (California Digital Library) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • FreiDok plus (Universitätsbibliothek Freiburg) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, cc-by)
Funders
  • Hearing Health Foundation
  • National Institutes of Health (DC013817)
  • National Institute of Mental Health (U24MH114827, U19MH114821, RF1MH123199, U01MH121282, R24MH114815, U19MH114830, R24MH114788)
  • National Cancer Institute (P30CA014195)
  • National Institute on Deafness and Other Communication Disorders (DC013817, R01DC019370, R01DC013817, U01DC013817)
  • National Institute of General Medical Sciences (GM114267, R01GM114267)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
Keywords
primary motor cortex, cell atlas, single-cell transcriptomics, epigenomics, neuronal cell types, multimodal data integration, marker genes, gene regulatory elements, pyramidal neurons, mouse brain
MeSH terms
Animals, Atlases as Topic, Female, Male, Motor Cortex, Neurons, Organ Specificity, Reproducibility of Results, Gene Expression Profiling, Epigenesis, Genetic, Mice, Epigenomics, Single-Cell Analysis, Transcriptome, Datasets as Topic

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